Measurement unit: km/h

Full name: kilometre/hour

Plural form: kilometers/hour

Symbol: km/h

Alternate spelling: km/hr

Category type: speed

Scale factor: 0.27777777777778

SI unit: meter/second

The SI derived unit for speed is the meter/second.
1 meter/second is equal to 3.6 km/h.

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Definition: Kilometer/hour

The kilometre per hour (American English: kilometer per hour) is a unit of both speed (scalar) and velocity (vector).

The km/h is the worldwide most commonly used speed unit on road signs and car speedometers.

Sample conversions: km/h